Transmissions and Drivetrain Need help with your trans? Problems with your axle?

Locker swap into 3.75 worth it?

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Old Feb 17, 2008 | 02:34 PM
  #1  
IROCJoyce's Avatar
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Joined: May 2006
Posts: 479
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From: New York
Car: 1987 IROC
Engine: 350 Gm H.O
Transmission: 700r4 built
Axle/Gears: 3.42 Locker
Locker swap into 3.75 worth it?

I was thinking about getting a 3:42 locker locker for my 7.5 10 bolt. Would you guys recommend not spending my money on this and just wait till i get enough for a 9 inch or 12 bolt? The price was only $280 for a new locker diff, ring, pinion, and a set of used 28 spline axles. Would anybody recommend having a professional put it in or just give it a shot and read books?

Thanks
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Old Feb 17, 2008 | 05:34 PM
  #2  
xpndbl3's Avatar
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Posts: 13,622
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: Locker swap into 3.75 worth it?

$280 plus a rear end girdle, gear setup, etc only to have it break again in short order. I would not put a dime into one.
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Old Feb 17, 2008 | 09:28 PM
  #3  
IROCJoyce's Avatar
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Joined: May 2006
Posts: 479
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From: New York
Car: 1987 IROC
Engine: 350 Gm H.O
Transmission: 700r4 built
Axle/Gears: 3.42 Locker
Re: Locker swap into 3.75 worth it?

oh ok. Mine isn't broken just figured it would give me better traction and a better head start off the line. I am not changing my 305 for years so i figured it would be fine. If you say so then ok. Thanks
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Old Feb 17, 2008 | 10:59 PM
  #4  
KJZ28/TA's Avatar
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Joined: Dec 2006
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From: New York
Car: 2002 Camaro
Engine: :(
Transmission: T5
Re: Locker swap into 3.75 worth it?

I think he included the gears for that price, and he could install it himself possibly. His engine is a tuned up 305 you really think he could break that?

Why dies he need a girdle? unless he is racing.
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